{{Rsnum
|rsid=1799814
|Gene=CYP1A1
|Chromosome=15
|position=74720646
|Orientation=minus
|GMAF=0.01515
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
|Gene_s=CYP1A1
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 0.0 | 6.2 | 93.8
| HCB | 0.0 | 1.5 | 98.5
| JPT | 0.0 | 0.9 | 99.1
| YRI | 0.0 | 0.0 | 100.0
| ASW | 0.0 | 0.0 | 0.0
| CHB | 0.0 | 1.5 | 98.5
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 1.0 | 99.0
| LWK | 0.0 | 0.9 | 99.1
| MEX | 1.8 | 7.0 | 91.2
| MKK | 0.6 | 14.1 | 85.3
| TSI | 0.0 | 2.0 | 98.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=19608585
|Title=Genetic association study of CYP1A1 polymorphisms identifies risk haplotypes in non-small cell lung cancer
}}

{{PharmGKB
|RSID=rs1799814
|Name_s=CYP1A1*4; CYP1A1:T461N; CYP1A1:2453C>A; CYP1A1:4887C>A; CYP1A1:m4
|Gene_s=CYP1A1
|Feature=
|Evidence=PubMed ID:15217514; PubMed ID:17164366
|Annotation=Increased risk for smokers to develop gastric cancer, no association for breast cancer.
|Drugs=
|Drug Classes=
|Diseases=
|Curation Level=Curated
|PharmGKB Accession ID=PA161145039
}}

{{PMID Auto
|PMID=16412218
|Title=Multilocus analysis of SNP and metabolic data within a given pathway.
|OA=1
}}

{{PMID Auto
|PMID=16864595
|Title=The influence of genetic polymorphisms in Ahr, CYP1A1, CYP1A2, CYP1B1, GST M1, GST T1 and UGT1A1 on urine 1-hydroxypyrene glucuronide concentrations in healthy subjects from Rio Grande do Sul, Brazil.
}}

{{PMID Auto
|PMID=18632753
|Title=Bladder cancer risk and genetic variation in AKR1C3 and other metabolizing genes.
|OA=1
}}

{{PMID Auto
|PMID=19479063
|Title=Phase I metabolic genes and risk of lung cancer: multiple polymorphisms and mRNA expression.
|OA=1
}}

{{PMID Auto
|PMID=19537956
|Title=CYP1A1 genotype modifies the impact of smoking on effectiveness of HAART among women.
|OA=1
}}

{{PMID Auto
|PMID=20437058
|Title=The utility and predictive value of combinations of low penetrance genes for screening and risk prediction of colorectal cancer.
|OA=1
}}

{{PMID Auto
|PMID=24084248
|Title=The GSTM1null (deletion) and MGMT84 rs12917 (Phe/Phe) haplotype are associated with bulky DNA adduct levels in human leukocytes
}}

{{PMID Auto
|PMID=23175176
|Title=Variation in PAH-related DNA adduct levels among non-smokers: the role of multiple genetic polymorphisms and nucleotide excision repair phenotype.
}}

{{PMID Auto
|PMID=23178447
|Title=Lung cancer risk in relation to nicotinic acetylcholine receptor, CYP2A6 and CYP1A1 genotypes in the Bangladeshi population.
}}

{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}